From: Vladimir Barinov <[email protected]> This supports SDHI0 on H3ULCB board SD card slot
Signed-off-by: Vladimir Barinov <[email protected]> Reviewed-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Simon Horman <[email protected]> --- arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts | 49 ++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts index adf2b0e44dac..44f1184e1a14 100644 --- a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts +++ b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts @@ -44,6 +44,30 @@ gpios = <&gpio6 11 GPIO_ACTIVE_LOW>; }; }; + + vcc_sdhi0: regulator-vcc-sdhi0 { + compatible = "regulator-fixed"; + + regulator-name = "SDHI0 Vcc"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + vccq_sdhi0: regulator-vccq-sdhi0 { + compatible = "regulator-gpio"; + + regulator-name = "SDHI0 VccQ"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + + gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>; + gpios-states = <1>; + states = <3300000 1 + 1800000 0>; + }; }; &extal_clk { @@ -78,6 +102,18 @@ function = "avb"; }; + sdhi0_pins_3v3: sd0_3v3 { + groups = "sdhi0_data4", "sdhi0_ctrl"; + function = "sdhi0"; + power-source = <3300>; + }; + + sdhi0_pins_1v8: sd0_1v8 { + groups = "sdhi0_data4", "sdhi0_ctrl"; + function = "sdhi0"; + power-source = <1800>; + }; + usb1_pins: usb1 { groups = "usb1"; function = "usb1"; @@ -103,6 +139,19 @@ status = "okay"; }; +&sdhi0 { + pinctrl-0 = <&sdhi0_pins_3v3>; + pinctrl-1 = <&sdhi0_pins_1v8>; + pinctrl-names = "default", "state_uhs"; + + vmmc-supply = <&vcc_sdhi0>; + vqmmc-supply = <&vccq_sdhi0>; + cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>; + bus-width = <4>; + sd-uhs-sdr50; + status = "okay"; +}; + &wdt0 { timeout-sec = <60>; status = "okay"; -- 2.7.0.rc3.207.g0ac5344
